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                    1.11 代理模式
            
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                    2.1 长连接
            
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                    2.2 MQ
            
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                    3.1.9 其他: Node编写Mapreduce
            
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                    3.2.1 面向对象
            
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                    3.2.6 构建工具
            
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                    3.2.7 其他: 线程池
            
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        </li>
    

            </ul>
            
        </li>
    

            </ul>
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.4" data-path="../../engineering/ci_deplopment/">
            
                <a href="../../engineering/ci_deplopment/">
            
                    
                    三 搭建部署
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.4.1" data-path="../../engineering/ci_deplopment/test.html">
            
                <a href="../../engineering/ci_deplopment/test.html">
            
                    
                    3.1 测试
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.4.1.1" data-path="../../engineering/ci_deplopment/test/unit_testing.html">
            
                <a href="../../engineering/ci_deplopment/test/unit_testing.html">
            
                    
                    3.1.1 单元测试
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.1.2" data-path="../../engineering/ci_deplopment/test/stress_testing.html">
            
                <a href="../../engineering/ci_deplopment/test/stress_testing.html">
            
                    
                    3.1.2 压力测试
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.4.2" data-path="../../engineering/ci_deplopment/ci_readme.html">
            
                <a href="../../engineering/ci_deplopment/ci_readme.html">
            
                    
                    3.2 集成
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.4.2.1" data-path="../../engineering/ci_deplopment/ci/gitlab_ci.html">
            
                <a href="../../engineering/ci_deplopment/ci/gitlab_ci.html">
            
                    
                    3.2.1 GitLab CI
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.2.2" data-path="../../engineering/ci_deplopment/ci/spinnaker.html">
            
                <a href="../../engineering/ci_deplopment/ci/spinnaker.html">
            
                    
                    3.2.2 Spinnaker
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.4.3" data-path="../../engineering/ci_deplopment/build.html">
            
                <a href="../../engineering/ci_deplopment/build.html">
            
                    
                    3.3 部署
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.4.3.1" data-path="../../engineering/ci_deplopment/k8s/k8s.html">
            
                <a href="../../engineering/ci_deplopment/k8s/k8s.html">
            
                    
                    3.3.1 k8s
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.3.2" data-path="../../engineering/ci_deplopment/rancher/rancher.html">
            
                <a href="../../engineering/ci_deplopment/rancher/rancher.html">
            
                    
                    3.3.2 rancher
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.3.3" data-path="../../engineering/ci_deplopment/swarm/swarm.html">
            
                <a href="../../engineering/ci_deplopment/swarm/swarm.html">
            
                    
                    3.3.3 swarm
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.4.4" data-path="../../engineering/ci_deplopment/maintenance.html">
            
                <a href="../../engineering/ci_deplopment/maintenance.html">
            
                    
                    3.4 监控
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.4.4.1" data-path="../../engineering/ci_deplopment/monitor.html">
            
                <a href="../../engineering/ci_deplopment/monitor.html">
            
                    
                    3.4.1 容器监控
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.4.2" data-path="../../engineering/ci_deplopment/trace.html">
            
                <a href="../../engineering/ci_deplopment/trace.html">
            
                    
                    3.4.2 系统监控
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.4.3" data-path="../../engineering/ci_deplopment/app1.md">
            
                <span>
            
                    
                    3.4.2 应用监控
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.4.5" data-path="../../engineering/ha/ha.html">
            
                <a href="../../engineering/ha/ha.html">
            
                    
                    3.5 高可用
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.4.5.1" data-path="../../engineering/ha/client.html">
            
                <a href="../../engineering/ha/client.html">
            
                    
                    3.5.1 接入层高可用
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.5.2" data-path="../../engineering/ha/service.html">
            
                <a href="../../engineering/ha/service.html">
            
                    
                    3.5.2 服务层高可用
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.5.3" data-path="../../engineering/ha/share.html">
            
                <a href="../../engineering/ha/share.html">
            
                    
                    3.5.3 存储层高可用
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.4.6" data-path="../../engineering/ci_deplopment/hc/hc.html">
            
                <a href="../../engineering/ci_deplopment/hc/hc.html">
            
                    
                    3.6 高并发
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.4.6.1" data-path="../../engineering/ci_deplopment/hc/dns.html">
            
                <a href="../../engineering/ci_deplopment/hc/dns.html">
            
                    
                    3.6.1 基于DNS的负载均衡
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.6.2" data-path="../../engineering/ci_deplopment/hc/lvs.html">
            
                <a href="../../engineering/ci_deplopment/hc/lvs.html">
            
                    
                    3.6.2 基于Lvs的负载均衡
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.6.3" data-path="../../engineering/ci_deplopment/hc/haproxy.html">
            
                <a href="../../engineering/ci_deplopment/hc/haproxy.html">
            
                    
                    3.6.3 基于haproxy的负载均衡
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.5" >
            
                <span>
            
                    
                    四 架构模式
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.5.1" >
            
                <span>
            
                    
                    1 微服务架构设计与实践
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.5.1.1" data-path="../java/spring-cloud.html">
            
                <a href="../java/spring-cloud.html">
            
                    
                    1.1 微服务概况
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.1.2" data-path="../java/spring-eureka.html">
            
                <a href="../java/spring-eureka.html">
            
                    
                    1.2 服务注册及发现
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.1.3" data-path="../java/spring-feign.html">
            
                <a href="../java/spring-feign.html">
            
                    
                    1.3 服务调用
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.1.4" data-path="../java/spring-zuul.html">
            
                <a href="../java/spring-zuul.html">
            
                    
                    1.4 网关及负载均衡
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.1.5" data-path="../java/spring-hystrix.html">
            
                <a href="../java/spring-hystrix.html">
            
                    
                    1.5 熔断、限流、扩缩容
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.1.6" data-path="../java/spring-config.html">
            
                <a href="../java/spring-config.html">
            
                    
                    1.6 云配置中心
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.1.7" data-path="../java/zipkin-tracing.html">
            
                <a href="../java/zipkin-tracing.html">
            
                    
                    1.7 分布式链路追踪
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.1.8" data-path="../java/swagger.html">
            
                <a href="../java/swagger.html">
            
                    
                    1.8 接口文档管理
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.5.2" data-path="../../domain/">
            
                <a href="../../domain/">
            
                    
                    2 领域驱动模型
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.5.2.1" data-path="../../domain/domain.html">
            
                <a href="../../domain/domain.html">
            
                    
                    2.1 领域--Domain
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.2.2" data-path="../../domain/entity.md">
            
                <span>
            
                    
                    2.2 领域实体--Entity
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.2.3" data-path="../../domain/object.html">
            
                <a href="../../domain/object.html">
            
                    
                    2.3 值对象--Value Object
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.2.4" data-path="../../domain/aggregate.html">
            
                <a href="../../domain/aggregate.html">
            
                    
                    2.4 聚合--Aggregate
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.2.5" data-path="../../domain/service.html">
            
                <a href="../../domain/service.html">
            
                    
                    2.5 服务--Services
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.2.6" data-path="../../domain/event.html">
            
                <a href="../../domain/event.html">
            
                    
                    2.6 领域事件--Event
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.2.7" data-path="../../domain/framework.html">
            
                <a href="../../domain/framework.html">
            
                    
                    2.7 几种常见的DDD架构
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.5.3" >
            
                <span>
            
                    
                    3 架构技术的演化与趋势
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.5.3.1" >
            
                <span>
            
                    
                    3.1 架构技术的发展历史及现状
            
                </span>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.3.2" >
            
                <span>
            
                    
                    3.2 Serverless无服务架构概念
            
                </span>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.3.3" >
            
                <span>
            
                    
                    3.3 ServerMesh网格服务概念
            
                </span>
            

            
        </li>
    

            </ul>
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.6" >
            
                <span>
            
                    
                    五 其他
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.6.1" data-path="../../story/talk.html">
            
                <a href="../../story/talk.html">
            
                    
                    5.1 小伙子,放松!
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

    

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                                <h3 id="&#x4E00;&#x3001;&#x7B80;&#x4ECB;">&#x4E00;&#x3001;&#x7B80;&#x4ECB;</h3>
<h4 id="11-&#x9762;&#x5411;&#x5BF9;&#x8C61;">1.1 &#x9762;&#x5411;&#x5BF9;&#x8C61;</h4>
<p>&#xA0;&#xA0;&#xA0;&#xA0;&#x5728;&#x9762;&#x5411;&#x5BF9;&#x8C61;&#x7684;&#x601D;&#x60F3;&#x8868;&#x8FBE;&#x4E0A;&#xFF0C;Js&#x57FA;&#x4E8E;&#x539F;&#x578B;&#x5B9E;&#x73B0;&#x5C01;&#x88C5;&#x548C;&#x7EE7;&#x627F;&#xFF0C;java&#x4E0E;C++&#x5728;&#x8BED;&#x6CD5;&#x4E0A;&#x8F83;&#x4E3A;&#x7C7B;&#x4F3C;&#xFF0C;&#x4F46;&#x5728;&#x7EC6;&#x8282;&#x4E0A;&#x4E5F;&#x6709;&#x8F83;&#x5927;&#x533A;&#x522B;&#xFF0C;&#x5982;&#x53CB;&#x5143;&#x3001;&#x591A;&#x91CD;&#x7EE7;&#x627F;&#x3001;&#x7C7B;&#x6307;&#x9488;&#x3001;&#x8FD0;&#x7B97;&#x7B26;&#x91CD;&#x8F7D;&#x7B49;&#xFF0C;C++&#x4E3A;&#x517C;&#x5BB9;C&#x4FDD;&#x7559;&#x4E86;&#x4E00;&#x4E9B;&#x9762;&#x5411;&#x8FC7;&#x7A0B;&#x7684;&#x7279;&#x70B9;&#xFF0C;&#x800C;Java&#x4E2D;&#x6210;&#x5458;&#x51FD;&#x6570;&#x4E0E;&#x5C5E;&#x6027;&#x5FC5;&#x987B;&#x662F;&#x7C7B;&#x7684;&#x4E00;&#x90E8;&#x5206;&#xFF0C;&#x5982;&#x5728;C++&#x4E2D;&#x5728;&#x7C7B;&#x5916;&#x4E5F;&#x540C;&#x6837;&#x53EF;&#x4EE5;&#x5B9A;&#x4E49;&#x65B9;&#x6CD5;&#x548C;&#x53D8;&#x91CF;&#xFF0C;&#x8FD9;&#x4E9B;&#x533A;&#x522B;&#x672C;&#x8EAB;&#x662F;&#x4E00;&#x628A;&#x53CC;&#x5203;&#x5251;&#xFF0C;&#x7ED9;&#x7279;&#x5B9A;&#x8BED;&#x8A00;&#x5E26;&#x6765;&#x4E86;&#x4E00;&#x4E9B;&#x7075;&#x6D3B;&#x6027;&#x7684;&#x540C;&#x65F6;&#x4E5F;&#x5E26;&#x6765;&#x4E86;&#x590D;&#x6742;&#x7684;&#x53EF;&#x7EF4;&#x62A4;&#x6027;&#x3002;</p>
<h4 id="12-&#x9762;&#x5411;&#x5BF9;&#x8C61;&#x7684;&#x7279;&#x70B9;">1.2 &#x9762;&#x5411;&#x5BF9;&#x8C61;&#x7684;&#x7279;&#x70B9;</h4>
<h4 id="a-&#x5C01;&#x88C5;-&#xFF1F;">A) &#x5C01;&#x88C5; &#xFF1F;</h4>
<p>&#xA0;&#xA0;&#xA0;&#xA0;C++&#x901A;&#x8FC7;&#x7C7B;&#x6765;&#x62BD;&#x8C61;&#x5C5E;&#x6027;&#x548C;&#x65B9;&#x6CD5;&#xFF0C;&#x6784;&#x9020;&#x51FD;&#x6570;&#x4E0E;&#x6790;&#x6784;&#x51FD;&#x6570;&#x4E00;&#x822C;&#x9700;&#x8981;&#x6210;&#x5BF9;&#x51FA;&#x73B0;&#xFF0C;&#x5206;&#x522B;&#x7528;&#x4E8E;&#x5BF9;&#x8C61;&#x7684;&#x521D;&#x59CB;&#x5316;&#x548C;&#x56DE;&#x6536;&#x6E05;&#x7406;&#xFF0C;&#x521B;&#x5EFA;&#x4E00;&#x4E2A;&#x5BF9;&#x8C61;&#x53EF;&#x4EE5;&#x901A;&#x8FC7;new&#x6216;&#x58F0;&#x660E;&#x7684;&#x65B9;&#x5F0F;&#xFF0C;&#x5982;&#x4E0B;:</p>
<pre><code class="lang-js"><span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">Person</span> </span>{
  public:
    Person(int x = <span class="hljs-number">1</span>) : year(x) {}

    ~Person();

  public:
    getYear() {
      <span class="hljs-keyword">return</span> <span class="hljs-keyword">this</span>.year;
    }

  private:
    int year;
}
</code></pre>
<p>&#x5982;<code>Person p(18)</code>&#x4E0E;<code>Person p = new Person(18)</code>&#x7684;&#x4E3B;&#x8981;&#x533A;&#x522B;&#x662F;&#x65B9;&#x5F0F;1&#x662F;&#x5728;&#x6808;&#x4E2D;&#x5F00;&#x8F9F;&#x5185;&#x5B58;&#x7A7A;&#x95F4;&#xFF0C;&#x65B9;&#x5F0F;2&#x5219;&#x662F;&#x5728;&#x5806;&#x4E2D;&#x5F00;&#x8F9F;&#x5185;&#x5B58;&#x7A7A;&#x95F4;&#xFF0C;&#x6808;&#x4E2D;&#x5F00;&#x8F9F;&#x7684;&#x5185;&#x5B58;&#x7A7A;&#x95F4;&#x4E0D;&#x9700;&#x8981;&#x624B;&#x52A8;&#x6E05;&#x7406;&#xFF0C;&#x53EF;&#x4EE5;&#x907F;&#x514D;&#x5185;&#x5B58;&#x788E;&#x7247;&#x548C;&#x5185;&#x5B58;&#x6CC4;&#x6F0F;&#xFF0C;&#x4F46;&#x7531;&#x4E8E;&#x6808;&#x76F8;&#x5BF9;&#x4E8E;&#x5806;&#x901A;&#x5E38;&#x8F83;&#x5C0F;&#xFF0C;&#x5BF9;&#x4E8E;&#x9700;&#x8981;&#x5927;&#x91CF;&#x7684;&#x5BF9;&#x8C61;&#x521B;&#x5EFA;&#x65F6;&#x5219;&#x4E0D;&#x9002;&#x7528;&#x3002;</p>
<h4 id="b-&#x7EE7;&#x627F;-&#xFF1F;">B) &#x7EE7;&#x627F; &#xFF1F;</h4>
<p>&#xA0;&#xA0;&#xA0;&#xA0;&#x5728;C++&#x4E2D;public&#x3001;protected&#x3001;private&#x4E09;&#x4E2A;&#x5173;&#x952E;&#x8BCD;&#x7528;&#x4E8E;&#x8BBF;&#x95EE;&#x6743;&#x9650;&#x63A7;&#x5236;&#xFF0C;&#x8FD9;&#x4E00;&#x70B9;&#x4E0E;java&#x7C7B;&#x4F3C;&#xFF0C;&#x4F46;C++&#x4F1A;&#x6709;&#x7EE7;&#x627F;&#x6743;&#x9650;&#x63A7;&#x5236;&#x548C;&#x591A;&#x79CD;&#x7EE7;&#x627F;&#xFF0C;&#x5728;&#x672C;&#x8282;<code>### &#x4E8C;&#x3001;&#x5E94;&#x7528;</code>&#x4F1A;&#x6709;&#x6240;&#x4F53;&#x73B0;&#x3002;&#x591A;&#x91CD;&#x7EE7;&#x627F;&#x7684;&#x5B58;&#x5728;&#x6709;&#x79CD;&#x7C7B;&#x4F3C;&#x73B0;&#x5B9E;&#x751F;&#x6D3B;&#x4E2D;&#x5E72;&#x7239;&#xFF0C;&#x5982;&#x7ECF;&#x5E38;&#x6709;&#x7236;&#x6BCD;&#x7ED9;&#x4E88;&#x7684;&#x5173;&#x7231;&#x4E0D;&#x591F;&#xFF0C;&#x5B69;&#x5B50;&#x4EEC;&#x5C31;&#x4F1A;&#x8BA4;&#x4E2A;&#x5E72;&#x7239;&#x5988;&#x6765;&#x589E;&#x52A0;&#x5BF9;&#x4E16;&#x754C;&#x7684;&#x8BA4;&#x77E5;&#x3002;&#x53CB;&#x5143;&#x51FD;&#x6570;&#x5219;&#x50CF;&#x662F;&#x6211;&#x4EEC;&#x73B0;&#x5B9E;&#x751F;&#x6D3B;&#x4E2D;&#x7ED3;&#x4EA4;&#x7684;&#x670B;&#x53CB;&#xFF0C;&#x5927;&#x5BB6;&#x7ED9;&#x4E88;&#x5355;&#x65B9;&#x6216;&#x53CC;&#x65B9;&#x7684;&#x5E2E;&#x52A9;&#x6765;&#x7EC4;&#x6210;&#x4E00;&#x4E2A;&#x6B63;&#x4E49;&#x8054;&#x76DF;&#xFF0C;&#x4EE5;&#x5171;&#x540C;&#x5BF9;&#x6297;<code>&#x4E16;&#x754C;</code>&#x3002;</p>
<h4 id="c-&#x591A;&#x6001;-&#xFF1F;">C) &#x591A;&#x6001; &#xFF1F;</h4>
<p>&#xA0;&#xA0;&#xA0;&#xA0;&#x591A;&#x6001;&#x5E94;&#x8BE5;&#x7B97;&#x662F;C++&#x9762;&#x5411;&#x5BF9;&#x8C61;&#x7684;&#x7CBE;&#x9AD3;&#xFF0C;&#x5C01;&#x88C5;&#x548C;&#x7EE7;&#x627F;&#x90FD;&#x662F;&#x5728;&#x4E3A;&#x591A;&#x6001;&#x505A;&#x51C6;&#x5907;&#x3002;&#x5728;&#x8BED;&#x8A00;&#x5C42;&#x9762;&#x4E0A;C++&#x901A;&#x8FC7;&#x865A;&#x51FD;&#x6570;&#x548C;&#x6A21;&#x677F;&#x673A;&#x5236;&#x5B9E;&#x73B0;&#x591A;&#x6001;&#x548C;&#x6CDB;&#x578B;&#x7F16;&#x7A0B;&#xFF0C;&#x865A;&#x51FD;&#x6570;&#x7684;&#x5B9E;&#x73B0;&#x501F;&#x52A9;&#x865A;&#x51FD;&#x6570;&#x8868;&#xFF0C;&#x5728;&#x57FA;&#x7C7B;&#x4E0E;&#x6D3E;&#x751F;&#x7C7B;&#x4E4B;&#x95F4;&#x5B9E;&#x73B0;&#x52A8;&#x6001;&#x7ED1;&#x5B9A;&#xFF0C;&#x4EE5;&#x5141;&#x8BB8;&#x6211;&#x4EEC;&#x6839;&#x636E;&#x5F53;&#x524D;&#x7684;&#x6307;&#x9488;&#x8D4B;&#x503C;&#x7ED9;&#x4ED6;&#x7684;&#x6D3E;&#x751F;&#x7C7B;&#x5BF9;&#x8C61;&#x4EE5;&#x4E0D;&#x540C;&#x7684;&#x65B9;&#x5F0F;&#x8FD0;&#x4F5C;&#x3002;</p>
<hr>
<h3 id="&#x4E8C;&#x3001;&#x5E94;&#x7528;">&#x4E8C;&#x3001;&#x5E94;&#x7528;</h3>
<ul>
<li>2.1 &#x5B9E;&#x73B0;&#x4E00;&#x4E2A;&#x7B80;&#x6613;&#x7684;&#x670D;&#x52A1;&#x5668;Demo</li>
</ul>
<p>&#xA0;&#xA0;&#xA0;&#xA0;&#x7F51;&#x7EDC;&#x73AF;&#x5883;&#x4E2D;&#xFF0C;&#x4E3A;&#x7F16;&#x5199;&#x4E00;&#x4E2A;TCP&#x670D;&#x52A1;&#x5668;&#x6846;&#x67B6;&#xFF0C;&#x81F3;&#x5C11;&#x9700;&#x8981;&#x5305;&#x542B;&#x901A;&#x4FE1;&#x5C42;&#x3001;&#x4E1A;&#x52A1;&#x903B;&#x8F91;&#x5C42;&#x7B49;&#xFF0C;&#x6B64;&#x65F6;&#x6709;&#x5982;&#x4E0B;&#x8BBE;&#x8BA1;&#x9700;&#x8981;&#xFF1A;</p>
<pre><code>1&#x3001;&#x901A;&#x4FE1;&#x5C42;&#x63D0;&#x4F9B;&#x670D;&#x52A1;&#x5BF9;&#x4E0A;&#x5C42;&#x900F;&#x660E;&#xFF0C;&#x4E0A;&#x5C42;&#x4E1A;&#x52A1;&#x670D;&#x52A1;&#x53EA;&#x9700;&#x8981;&#x63A5;&#x53D7;&#x7EA6;&#x5B9A;&#x5F62;&#x5F0F;&#x7684;&#x6570;&#x636E;&#x7ED3;&#x6784;&#x540E;&#x7EC4;&#x7EC7;&#x5BF9;&#x5E94;&#x7684;&#x54CD;&#x5E94;
2&#x3001;&#x4E3A;&#x8003;&#x8651;&#x66F4;&#x597D;&#x7684;&#x79FB;&#x690D;&#x6027;&#xFF0C;&#x901A;&#x4FE1;&#x5C42;&#x3001;&#x4E1A;&#x52A1;&#x5C42;&#x5BF9;&#x8C61;&#x6587;&#x4EF6;&#x9700;&#x8981;&#x5E73;&#x8861;&#x5C01;&#x88C5;&#x3001;&#x7EE7;&#x627F;&#x3001;&#x591A;&#x6001;&#x3001;&#x5E76;&#x89E3;&#x8026;&#x4ED6;&#x4EEC;&#x4E4B;&#x95F4;&#x7684;&#x5173;&#x7CFB;
3&#x3001;&#x5C3D;&#x91CF;&#x7528;&#x5355;&#x4F8B;&#x6A21;&#x5F0F;&#x5B9E;&#x73B0;&#x7C7B;&#x7EE7;&#x627F;&#x5173;&#x7CFB;&#xFF0C;&#x4EE5;&#x5145;&#x5206;&#x5229;&#x7528;&#x8D44;&#x6E90;
</code></pre><pre><code class="lang-cpp"><span class="hljs-meta">#<span class="hljs-meta-keyword">ifndef</span> __SRC_UTILS_SINGLETON_H__</span>
<span class="hljs-meta">#<span class="hljs-meta-keyword">define</span> __SRC_UTILS_SINGLETON_H__</span>

<span class="hljs-comment">/* &#x5355;&#x4F8B; */</span>
<span class="hljs-keyword">template</span>&lt;<span class="hljs-keyword">typename</span> T&gt; <span class="hljs-keyword">class</span> Singleton {

  <span class="hljs-keyword">private</span>:
    <span class="hljs-keyword">static</span> T * m_Instance;
    Singleton(<span class="hljs-keyword">const</span> Singleton &amp;);
    Singleton &amp; <span class="hljs-keyword">operator</span> = (<span class="hljs-keyword">const</span> Singleton &amp;);

  <span class="hljs-keyword">protected</span>:
    Singleton() {}
    ~Singleton() {}

  <span class="hljs-keyword">public</span>:
    <span class="hljs-function"><span class="hljs-keyword">static</span> T &amp; <span class="hljs-title">getInstance</span><span class="hljs-params">()</span> </span>{
      <span class="hljs-keyword">if</span>(m_Instance == <span class="hljs-number">0</span>) {
        m_Instance = <span class="hljs-keyword">new</span> T();
      }

      <span class="hljs-keyword">return</span> * m_Instance;
    }

    <span class="hljs-function"><span class="hljs-keyword">static</span> <span class="hljs-keyword">void</span> <span class="hljs-title">delInstance</span><span class="hljs-params">()</span> </span>{
      <span class="hljs-keyword">if</span>(m_Instance != <span class="hljs-number">0</span>) {
        <span class="hljs-keyword">delete</span> m_Instance;
        m_Instance;
      }
    }
};

<span class="hljs-keyword">template</span>&lt;<span class="hljs-keyword">typename</span> T&gt;
T * Singleton&lt;T&gt;::m_Instance = <span class="hljs-number">0</span>;

<span class="hljs-meta">#<span class="hljs-meta-keyword">endif</span></span>
</code></pre>
<ul>
<li>2.2 &#x603B;&#x7ED3;</li>
</ul>
<pre><code>1&#x3001;&#x9762;&#x5411;&#x5BF9;&#x8C61;&#x63D0;&#x5347;&#x4E86;&#x4EE3;&#x7801;&#x91CD;&#x7528;&#x7387;&#x3001;&#x8F6F;&#x4EF6;&#x5F00;&#x53D1;&#x6548;&#x7387;&#xFF0C;&#x4F7F;&#x5F97;&#x4E1A;&#x52A1;&#x66F4;&#x52A0;&#x6E05;&#x6670;.
2&#x3001;&#x4F46;&#x56E0;&#x4E3A;&#x8FC7;&#x4E8E;&#x6CE8;&#x91CD;&#x5C5E;&#x6027;&#x548C;&#x884C;&#x4E3A;&#x7684;&#x62BD;&#x8C61;&#xFF0C;&#x65E0;&#x6CD5;&#x505A;&#x5230;&#x4E1A;&#x52A1;&#x903B;&#x8F91;&#x7684;&#x89E3;&#x8026;&#xFF0C;AOP&#x7684;&#x51FA;&#x73B0;&#x6B63;&#x662F;&#x5F25;&#x8865;&#x4E86;OOP&#x7684;&#x8FD9;&#x4E9B;&#x4E0D;&#x8DB3;&#xFF0C;&#x4F46;&#x5728;C++&#x4E2D;&#xFF0C;OOP&#x7684;&#x6D41;&#x884C;&#x5374;&#x8FDC;&#x6BD4;&#x4E0D;&#x4E0A;Java&#x3002;
</code></pre><hr>
<h3 id="&#x4E00;&#x3001;&#x6E90;&#x7801;">&#x4E00;&#x3001;&#x6E90;&#x7801;</h3>
<ul>
<li><a href="https://nodejs.org/dist/latest-v8.x/docs/api/" target="_blank">1&#x3001;&#x7A0B;&#x5E8F;&#x6E90;&#x7801;</a> </li>
</ul>
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